黑龙江省河蟹常规养殖技术

River crab(Eriocheir sinensis)Conventional breeding technology of Heilongjiang Province

文章概述了黑龙江省环境条件下的河蟹(Eriocheir sinensis)常规养殖技术。从河蟹养殖的现状,提出了养蟹池塘的选择、工程建设、池塘消毒、防逃设施、水草种植的具体要求,对蟹种的选择、蟹种的消毒、春季暂养管理、蟹种运输、蟹种放养密度、雌雄比例等提出了具体意见,对饲养管理中的饲料种类和投喂方法进行了描述,对养殖过程中出现的常见疾病及其防治方法进行了介绍,还对养殖后期的抓捕上市和越冬管理中的越冬池的选择、越冬水位、越冬水质、越冬密度、越冬期间清雪、溶解氧测定、越冬后的起捕等技术进行了具体介绍。

This paper summarizes the environment of Heilongjiang Province under the condition of river crab(Eriocheir sinensis)of conventional breeding technology.From the present situation of river crab breeding,and put forward the paddy selection,the construction of the pond,pond disinfection,prevent escape facilities,to the specific requirements of the aquatic plant,the selection of crab species,crab kinds of disinfection,spring temporarily raise management,crab,crab of the density of livestock,both male and female proportion of transportation,etc.Put forward the concrete opinions,feedstuffs and feeding method of raising management is described,in the process of cultivation of common diseases and their prevention and control methods are introduced,also the breeding of the late catch listed and wintering management of wintering pool selection,water level,the winter water,the density of wintering,clear snow during the winter,determination of dissolved oxygen,wintering after catching technology has carried on the detailed introduction.